US5275803A - Liquid dentifrices - Google Patents
Liquid dentifrices Download PDFInfo
- Publication number
- US5275803A US5275803A US07/891,882 US89188292A US5275803A US 5275803 A US5275803 A US 5275803A US 89188292 A US89188292 A US 89188292A US 5275803 A US5275803 A US 5275803A
- Authority
- US
- United States
- Prior art keywords
- weight
- liquid dentifrice
- abrasive material
- chalk
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
Definitions
- the present invention relates to liquid dentifrices which contain a particulate abrasive material, stably suspended in a liquid vehicle.
- liquid dentifrices which contain at least 20% by weight of a particulate chalk-type abrasive material, stably suspended in an aqueous liquid vehicle with the aid of a polysaccharide gum as suspending agent.
- Liquid dentifrices comprising particulate abrasive materials, stably suspended in an aqueous liquid vehicle with the aid of a polysaccharide gum as suspending agent are already known from U.S. Pat. No. 3,506,757 (Salzmann). According to this prior art, particulate abrasive materials can be stably suspended in an aqueous liquid vehicle in an optimum amount of about 10-20% by weight.
- the present invention relates to a liquid dentifrice which contains a particulate abrasive material of the chalk-type, stably suspended in an aqueous liquid vehicle with the aid of a polysaccharide gum as suspending agent, characterized in that the liquid dentifrice contains more than 20% by weight of the chalk-type abrasive material, and a small amount of an alkalimetal bicarbonate.
- the particulate abrasive material comprises the chalk type materials.
- These materials include calcium carbonates, both naturally occurring as well as synthetically made.
- naturally occurring chalks, limestones and marbles of largely calcitic origin, ground and classified to appropriate particle sizes, e.g. less than 10 micrometer, are very suitable.
- Dolomites may also be used.
- Precipitated chalks, made by carbondioxide precipitation of hydrated calcined calcium carbonate minerals, are also very suitable. Owing to their aggregated crystallite structure, larger particles can be used without unduly high Dentine Abrasion Values (DAV's) accruing.
- DAV's Dentine Abrasion Values
- Typical suitable examples are ground limestone of urgonion origin (calcite), classified to a top cut of 7 micrometers, with an average particle size of 1.5 micrometers, and precipitated chalks with a top cut of 20 micrometers and an average particle size of 3-10 micrometers (calcite and aragonite aggregates of primary particle size of about 1-2 micrometers).
- calcite ground limestone of urgonion origin
- the amount of chalk-type materials in the liquid dentifrice is more than 20% by weight, the upper level being 55%. Preferably the amount ranges from 30-45% by weight.
- the aqueous liquid vehicle comprises water, or mixtures of water with an alcohol such as sorbitol, glycerol, ethanol and mixtures thereof.
- the preferred liquid vehicle consists mainly of water, since the invention enables the manufacture of liquid dentifrices without the use of expensive alcohols such as sorbitol.
- the aqueous liquid vehicle constitutes in general from 35-70% by weight, preferably from 40-60% by weight of the composition.
- the polysaccharide gum which is used as the suspending agent can be any of the well-known polysaccharide gums commonly used in dentifrices.
- polysaccharide gums of the Xanthan and Guar types are suitable suspending agents.
- the Xanthan gums, either alone or in admixture with Guar type gums are preferred.
- the Xanthan gums are fully described in U.S. Pat. No. 3,067,038.
- suspending polysaccharide gum in the liquid dentifrice ranges from 0.2-1.5%, preferably from 0.5-0.8% by weight.
- Other suspending agents may additionally be present in minor amounts, such as smectite clays, pyrogenic silicas, montmorillonites, hectorites, amorphous silicas and sodium carboxymethylcellulose.
- the liquid dentifrice furthermore preferably contains a fluoride source as anticaries agent, particularly sodium monofluorophosphate in an amount of 0.5-1.5%, preferably 0.8-1.2% by weight.
- a fluoride source as anticaries agent, particularly sodium monofluorophosphate in an amount of 0.5-1.5%, preferably 0.8-1.2% by weight.
- the alkalimetal bicarbonate used in the present invention can be sodium, potassium and ammoniumbicarbonate. Sodium carbonate or sesquicarbonate can also be used as a source of bicarbonate, providing the pH of the final composition does not exceed 10.
- the amount of alkalimetal bicarbonate ranges from 0.1-10%, preferably from 0.5-5% and particularly preferably from 0.5-1% by weight.
- the liquid dentifrice of the invention may furthermore contain other optional ingredients, such as anionic, nonionic, zwitterionic and amphoteric surfactants such as soaps, alkylsulphates, alkylbenzene sulphonates, sorbitan esters of fatty acids, sulphobetaines and the like.
- Flavours, sweeteners, and preservatives may also be included.
- preservative formaldehyde is a preferred option, but antimicrobial essential oils containing eugenol, thymol or linalool may also be used as preservative.
- Other preservatives are benzoic acid esters such as methyl- and propyl parabens.sup.®.
- the liquid dentifrice may contain other anticaries agents such as casein and casein digests, hydroxyapatites, trimetaphosphates; anti-plaque agents such as zinc citrate, triclosan, copper salts and stannouspyrophosphate; anti-calculus agents such as alkalimetal pyrophosphates; vitamines such as vitamin C, and polymers such as polyvinylmethylether - maleic anhydride copolymers.
- anticaries agents such as casein and casein digests, hydroxyapatites, trimetaphosphates
- anti-plaque agents such as zinc citrate, triclosan, copper salts and stannouspyrophosphate
- anti-calculus agents such as alkalimetal pyrophosphates
- vitamines such as vitamin C
- polymers such as polyvinylmethylether - maleic anhydride copolymers.
- the liquid dentifrice of the present invention is formulated such that it exhibits sufficient low stress viscosity to maintain stability, but it must also be strongly shear thinning to aid manufacture and dispensing. It must also show non-thixotropic low shear viscosity characteristics to achieve a satisfactory degree of "brush hold" when dispensed.
- the liquid dentifrice has a typical viscosity of between 50 and 200 Pa.s, preferably 100-150 Pa.s, at a shear rate of 0.1 sec -1 , though higher viscosities of up to 1500 Pa.s are also possible.
- the liquid dentifrice is easy to manufacture in a simple stirred vessel.
- a preferred order of mixing is
- Formulations I-VI are liquids, no. VII is pasty. All formulations clean well, deliver fluoride effectively and exhibit DAV's of less than 85.
- An aqueous system comprising 40% by weight of precipitated chalk (average particle size 5 micrometers, primary particle size 1.5 micrometers), 0.6% xanthan gum and 0.8% sodium monofluorophosphate (corresponding to 1,000 ppm F - ), with varying amounts of sodium bicarbonate was stored for 12 weeks at 37° C., and the remaining available F - was determined.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cosmetics (AREA)
- Lubricants (AREA)
- Detergent Compositions (AREA)
- Packages (AREA)
- Dental Preparations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919112017A GB9112017D0 (en) | 1991-06-04 | 1991-06-04 | Liquid dentifrices |
GB9112017 | 1991-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5275803A true US5275803A (en) | 1994-01-04 |
Family
ID=10696084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/891,882 Expired - Fee Related US5275803A (en) | 1991-06-04 | 1992-06-01 | Liquid dentifrices |
Country Status (14)
Country | Link |
---|---|
US (1) | US5275803A (ko) |
EP (1) | EP0517319B1 (ko) |
JP (1) | JPH06287123A (ko) |
KR (1) | KR960011567B1 (ko) |
AT (1) | ATE122875T1 (ko) |
AU (1) | AU660181B2 (ko) |
BR (1) | BR9202132A (ko) |
CA (1) | CA2070338A1 (ko) |
DE (1) | DE69202621T2 (ko) |
ES (1) | ES2072692T3 (ko) |
GB (1) | GB9112017D0 (ko) |
MX (1) | MX9202617A (ko) |
TW (1) | TW202392B (ko) |
ZA (1) | ZA924075B (ko) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5573398A (en) * | 1994-06-10 | 1996-11-12 | Towle; Lawrence E. | Dental hygiene device and cleaning solution |
US5628985A (en) * | 1994-02-24 | 1997-05-13 | Lingner & Fischer Gmbh | Compositions |
US5695746A (en) * | 1995-07-28 | 1997-12-09 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Liquid dentifrice with mouthwash fresh taste |
US5702686A (en) * | 1995-07-18 | 1997-12-30 | John O. Butler Company | Clear dentrifice gel for interdental brushes |
US5837222A (en) * | 1994-06-10 | 1998-11-17 | Cloonan; Richard A. | Liquid dental cleaning solution |
US5942211A (en) * | 1994-07-25 | 1999-08-24 | Warner-Lambert Company | Antiseptic dentifrice |
US5972312A (en) * | 1997-03-11 | 1999-10-26 | Sunstar Inc. | Oral composition |
US6224376B1 (en) | 1994-06-10 | 2001-05-01 | Richard A. Cloonan | Dental cleaning liquid and gel |
WO2001032135A1 (en) * | 1999-10-29 | 2001-05-10 | J.M. Huber Corporation | High water content dentifrice composition and method of making the same |
US20040115140A1 (en) * | 2002-12-12 | 2004-06-17 | Joziak Marilou T. | Liquid dentifrice compositions of optimized fluoride uptake |
US20040131560A1 (en) * | 2002-10-04 | 2004-07-08 | The Procter & Gamble Company | Oral compositions and use thereof |
US20050281758A1 (en) * | 2004-06-18 | 2005-12-22 | Dodd Kenneth T | Oral care compositions |
US20080003187A1 (en) * | 2006-06-30 | 2008-01-03 | Colgate-Palmolive Company | High fluoride ion oral care composition and method for maintaining anticaries activity |
US20090191510A1 (en) * | 2005-06-22 | 2009-07-30 | Cao Group, Inc. | Periodontal treatment employing applied ultrasonic energy |
US7772211B2 (en) | 2000-12-13 | 2010-08-10 | Fmc Corporation | Production of carrageenan and carrageenan products |
EP2758026B1 (en) | 2011-09-23 | 2015-08-26 | Unilever Plc. | Oral care compositions |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06502141A (ja) * | 1990-10-25 | 1994-03-10 | ザ ブーツ カンパニー ピーエルシー | 口内洗浄剤 |
GB9124538D0 (en) * | 1991-11-19 | 1992-01-08 | Unilever Plc | Liquid dentifrices |
DE19522750A1 (de) * | 1995-06-22 | 1997-01-02 | Henkel Kgaa | Flüssige Zahnreinigungsmittel |
FR2743494B1 (fr) * | 1996-01-12 | 1998-02-06 | Rhone Poulenc Chimie | Composition aqueuse dentaire a base d'un melange de gomme xanthane et de gomme de guar comme agent epaississant |
CN1298310C (zh) * | 2001-10-02 | 2007-02-07 | 荷兰联合利华有限公司 | 含有精细研磨的天然白垩的口腔组合物 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2275191A1 (fr) * | 1974-05-30 | 1976-01-16 | Colgate Palmolive Co | Pate dentifrice |
US3935305A (en) * | 1972-10-04 | 1976-01-27 | Colgate-Palmolive Company | Toothpaste |
US3963832A (en) * | 1973-01-24 | 1976-06-15 | Teijin Limited | Liquid or pasty dentifrice and process for its preparation |
US4487757A (en) * | 1981-12-28 | 1984-12-11 | Colgate-Palmolive Company | Dispensing container of toothpaste which effervesces during toothbrushing |
US4623536A (en) * | 1985-06-13 | 1986-11-18 | Church & Dwight Co., Inc. | Sodium bicarbonate containing toothpaste |
US4814160A (en) * | 1988-03-01 | 1989-03-21 | Colgate-Palmolive Company | Non-bleeding striped dentifrice |
JPH01287015A (ja) * | 1988-05-11 | 1989-11-17 | Nippon Shiken Kogyo Kk | 歯牙口腔液体洗滌剤 |
US4943429A (en) * | 1988-05-23 | 1990-07-24 | Church & Dwight Co., Inc. | Dentifrice gels containing sodium bicarbonate |
US4980153A (en) * | 1986-06-25 | 1990-12-25 | Beecham Group P.L.C. | Antiplaque oral hygiene composition |
US5037634A (en) * | 1990-08-16 | 1991-08-06 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Oral compositions containing stabilized copper |
US5037633A (en) * | 1990-08-16 | 1991-08-06 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Microbiologically stabilized phase for bicarbonate toothpaste manufacture |
US5041280A (en) * | 1987-10-01 | 1991-08-20 | Epilady Usa, Inc. | Toothpaste composition for stain removal |
US5085853A (en) * | 1991-06-24 | 1992-02-04 | Chesebrough-Pond's U.S.A., Division Of Conopco, Inc. | Flavor for peroxide-bicarbonate oral compositions |
US5089254A (en) * | 1990-01-08 | 1992-02-18 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Oral compositions |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA829380B (en) * | 1981-12-28 | 1984-08-29 | Colgate Palmolive Co | Dispensing container of effervescent toothpaste |
US4983379A (en) * | 1983-03-01 | 1991-01-08 | Schaeffer Hans A | Dental preparation, article and method for storage and delivery thereof |
-
1991
- 1991-06-04 GB GB919112017A patent/GB9112017D0/en active Pending
-
1992
- 1992-06-01 US US07/891,882 patent/US5275803A/en not_active Expired - Fee Related
- 1992-06-02 ES ES92201563T patent/ES2072692T3/es not_active Expired - Lifetime
- 1992-06-02 MX MX9202617A patent/MX9202617A/es unknown
- 1992-06-02 EP EP92201563A patent/EP0517319B1/en not_active Expired - Lifetime
- 1992-06-02 AT AT92201563T patent/ATE122875T1/de active
- 1992-06-02 DE DE69202621T patent/DE69202621T2/de not_active Expired - Lifetime
- 1992-06-03 KR KR1019920009583A patent/KR960011567B1/ko not_active IP Right Cessation
- 1992-06-03 CA CA002070338A patent/CA2070338A1/en not_active Abandoned
- 1992-06-04 ZA ZA924075A patent/ZA924075B/xx unknown
- 1992-06-04 BR BR929202132A patent/BR9202132A/pt not_active IP Right Cessation
- 1992-06-04 JP JP4144416A patent/JPH06287123A/ja active Pending
- 1992-06-04 AU AU18055/92A patent/AU660181B2/en not_active Ceased
- 1992-06-22 TW TW081104880A patent/TW202392B/zh active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3935305A (en) * | 1972-10-04 | 1976-01-27 | Colgate-Palmolive Company | Toothpaste |
US3963832A (en) * | 1973-01-24 | 1976-06-15 | Teijin Limited | Liquid or pasty dentifrice and process for its preparation |
FR2275191A1 (fr) * | 1974-05-30 | 1976-01-16 | Colgate Palmolive Co | Pate dentifrice |
US4487757A (en) * | 1981-12-28 | 1984-12-11 | Colgate-Palmolive Company | Dispensing container of toothpaste which effervesces during toothbrushing |
US4623536A (en) * | 1985-06-13 | 1986-11-18 | Church & Dwight Co., Inc. | Sodium bicarbonate containing toothpaste |
US4721614A (en) * | 1985-06-13 | 1988-01-26 | Church & Dwight Co., Inc. | Sodium bicarbonate containing toothpaste |
US4980153A (en) * | 1986-06-25 | 1990-12-25 | Beecham Group P.L.C. | Antiplaque oral hygiene composition |
US5041280A (en) * | 1987-10-01 | 1991-08-20 | Epilady Usa, Inc. | Toothpaste composition for stain removal |
US4814160A (en) * | 1988-03-01 | 1989-03-21 | Colgate-Palmolive Company | Non-bleeding striped dentifrice |
JPH01287015A (ja) * | 1988-05-11 | 1989-11-17 | Nippon Shiken Kogyo Kk | 歯牙口腔液体洗滌剤 |
US4943429A (en) * | 1988-05-23 | 1990-07-24 | Church & Dwight Co., Inc. | Dentifrice gels containing sodium bicarbonate |
US5089254A (en) * | 1990-01-08 | 1992-02-18 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Oral compositions |
US5037634A (en) * | 1990-08-16 | 1991-08-06 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Oral compositions containing stabilized copper |
US5037633A (en) * | 1990-08-16 | 1991-08-06 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Microbiologically stabilized phase for bicarbonate toothpaste manufacture |
US5085853A (en) * | 1991-06-24 | 1992-02-04 | Chesebrough-Pond's U.S.A., Division Of Conopco, Inc. | Flavor for peroxide-bicarbonate oral compositions |
Non-Patent Citations (2)
Title |
---|
Chemical Abstracts, vol. 112, No. 24, Abstract No. 223166R "Manufacturer of Mouthwashes" & JP-A-1 287 015 (Kogyo K.K.), Nov. 17, 1989. |
Chemical Abstracts, vol. 112, No. 24, Abstract No. 223166R Manufacturer of Mouthwashes & JP A 1 287 015 (Kogyo K.K.), Nov. 17, 1989. * |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5628985A (en) * | 1994-02-24 | 1997-05-13 | Lingner & Fischer Gmbh | Compositions |
US5573398A (en) * | 1994-06-10 | 1996-11-12 | Towle; Lawrence E. | Dental hygiene device and cleaning solution |
US5837222A (en) * | 1994-06-10 | 1998-11-17 | Cloonan; Richard A. | Liquid dental cleaning solution |
US6224376B1 (en) | 1994-06-10 | 2001-05-01 | Richard A. Cloonan | Dental cleaning liquid and gel |
US5942211A (en) * | 1994-07-25 | 1999-08-24 | Warner-Lambert Company | Antiseptic dentifrice |
US5702686A (en) * | 1995-07-18 | 1997-12-30 | John O. Butler Company | Clear dentrifice gel for interdental brushes |
US5695746A (en) * | 1995-07-28 | 1997-12-09 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Liquid dentifrice with mouthwash fresh taste |
US5972312A (en) * | 1997-03-11 | 1999-10-26 | Sunstar Inc. | Oral composition |
WO2001032135A1 (en) * | 1999-10-29 | 2001-05-10 | J.M. Huber Corporation | High water content dentifrice composition and method of making the same |
US6342205B1 (en) * | 1999-10-29 | 2002-01-29 | J. M. Huber Corporation | High water content dentifrice composition and method of making the same |
US7772211B2 (en) | 2000-12-13 | 2010-08-10 | Fmc Corporation | Production of carrageenan and carrageenan products |
US20040131560A1 (en) * | 2002-10-04 | 2004-07-08 | The Procter & Gamble Company | Oral compositions and use thereof |
US20060188454A1 (en) * | 2002-10-04 | 2006-08-24 | The Procter & Gamble Company | Oral compositions and use thereof |
US20040115140A1 (en) * | 2002-12-12 | 2004-06-17 | Joziak Marilou T. | Liquid dentifrice compositions of optimized fluoride uptake |
US20050281758A1 (en) * | 2004-06-18 | 2005-12-22 | Dodd Kenneth T | Oral care compositions |
US20090191510A1 (en) * | 2005-06-22 | 2009-07-30 | Cao Group, Inc. | Periodontal treatment employing applied ultrasonic energy |
US20080003187A1 (en) * | 2006-06-30 | 2008-01-03 | Colgate-Palmolive Company | High fluoride ion oral care composition and method for maintaining anticaries activity |
US8900558B2 (en) * | 2006-06-30 | 2014-12-02 | Colgate-Palmolive Company | High fluoride ion oral care composition and method for maintaining anticaries activity |
EP2758026B1 (en) | 2011-09-23 | 2015-08-26 | Unilever Plc. | Oral care compositions |
Also Published As
Publication number | Publication date |
---|---|
ES2072692T3 (es) | 1995-07-16 |
KR960011567B1 (ko) | 1996-08-24 |
BR9202132A (pt) | 1993-02-02 |
CA2070338A1 (en) | 1992-12-05 |
AU1805592A (en) | 1992-12-10 |
DE69202621T2 (de) | 1995-09-21 |
GB9112017D0 (en) | 1991-07-24 |
EP0517319A1 (en) | 1992-12-09 |
MX9202617A (es) | 1993-09-01 |
JPH06287123A (ja) | 1994-10-11 |
DE69202621D1 (de) | 1995-06-29 |
ATE122875T1 (de) | 1995-06-15 |
EP0517319B1 (en) | 1995-05-24 |
TW202392B (ko) | 1993-03-21 |
ZA924075B (en) | 1993-12-06 |
KR930000102A (ko) | 1993-01-15 |
AU660181B2 (en) | 1995-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CHESEBROUGH-POND'S USA CO., DIVISION OF CONOPCO IN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:DAWSON, PETER L.;REEL/FRAME:006169/0960 Effective date: 19920603 |
|
CC | Certificate of correction | ||
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
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